Finding the Fourth Proportional to 28,858,895.10, 39,825,919.74 and 16,468,741.80
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Solution
The fourth proportional to 28,858,895.10, 39,825,919.74 and 16,468,741.80 is: 22,727,231.48
Step by Step Solution
- Step 1: Write the proportion equation
28,858,895.10 : 39,825,919.74 = 16,468,741.80 : x - Step 2: Convert to fraction form
28,858,895.10/39,825,919.74 = 16,468,741.80/x - Step 3: Cross multiply
28,858,895.10x = 39,825,919.74 × 16,468,741.80 - Step 4: Simplify right side
28,858,895.10x = 655,882,789,145,583.25 - Step 5: Solve for x
x = 655,882,789,145,583.25/28,858,895.10 - Step 6: Final answer
x = 22,727,231.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.